Re: [tbench regression fixes]: digging out smelly deadmen.

[Ingo Molnar]

* Evgeniy Polyakov <s0mbre@xxxxxxxxxxxxxxx> wrote:

> > i'm glad that you are looking into this! That is an SMP box, right? 
> > If yes then could you try this sched-domains tuning utility i have 
> > written yesterday (incidentally):
> > 
> >   http://redhat.com/~mingo/cfs-scheduler/tune-sched-domains
> 
> I've removed SD_BALANCE_NEWIDLE:
> # ./tune-sched-domains $[191-2]

> And got noticeble improvement (each new line has fixes from previous):
> 
> vanilla 27: 347.222
> no TSO/GSO: 357.331
> no hrticks: 382.983
> no balance: 389.802

okay. The target is 470 MB/sec, right? (Assuming the workload is sane 
and 'fixing' it does not mean we have to schedule worse.)

We are still way off from 470 MB/sec.

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/